Čítať v angličtine Upraviť

Zdieľať cez

ConstraintCollection.Clear Method

  • Reference

Definition

Namespace:
System.Data
Assemblies:
netstandard.dll, System.Data.Common.dll
Assembly:
System.Data.Common.dll
Assembly:
System.Data.dll
Assembly:
netstandard.dll
Source:
ConstraintCollection.cs
Source:
ConstraintCollection.cs
Source:
ConstraintCollection.cs

Clears the collection of any Constraint objects.

C# 
public void Clear();

Examples

The following example clears all constraints from the ConstraintCollection.

C# 

public static void ClearConstraints(DataSet dataSet)
{
   foreach (DataTable table in dataSet.Tables)
     table.Constraints.Clear();
}

Remarks

The CollectionChanged event occurs if this action is successful.

Applies to

Produkt Verzie
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1